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Python Launcher, currently released at version 1.0.1.6 by developer Vinay Sajip, is a lightweight Windows utility that lets any .py or .pyw script declare which Python interpreter it needs, eliminating the historical headache of having to uninstall one major Python release before installing another. By reading a shebang line or a “py.ini” configuration file, the launcher transparently dispatches the correct python.exe—whether 2.7, 3.11, or a custom build—so developers can keep legacy Django sites, data-science notebooks, build scripts, and automation tools side-by-side on the same machine without PATH juggling or virtual-environment acrobatics. The tool is especially useful in educational labs, CI pipelines, and corporate environments where tutorials, regression tests, and internal utilities span multiple language branches, because a double-click or a simple “py” command automatically selects the matching runtime. Because the single-version 1.0.1.6 package installs only a small executable and a configuration stub, it leaves global settings untouched and interoperates cleanly with existing IDEs, package managers, and Windows Terminal profiles. As a result, Python Launcher falls squarely into the System Utilities / Runtime Components category, offering a minimal yet critical bridge between the operating system and the heterogeneous Python ecosystem. The software is available for free on get.nero.com, with downloads provided via trusted Windows package sources (e.g. winget), always delivering the latest version, and supporting batch installation of multiple applications.
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